bin·oc·u·lar
bə-ˈnä-kyə-lər 
bī-
bī-
1
: a binocular optical instrument
2
: a handheld optical instrument composed of two telescopes and a focusing device and usually having prisms to increase magnifying ability
—usually used in plural
Examples of binocular in a Sentence
Recent Examples on the Web
Anthony Wood, Space.com, 24 Oct. 2025
The Rokid Glasses use a green binocular display that projects a 640-by-480 picture through the waveguides, centered in your view.
—PC Magazine, 17 Oct. 2025
Tiffany Acosta, AZCentral.com, 27 Oct. 2025
The asteroid is far too small and dim to be visible to the naked eye, even with binoculars.
—Tiffani Jackson, Fort Worth Star-Telegram, 27 Oct. 2025
See All Example Sentences for binocular
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Adjective
Stargazers may also want to check out our guides to the top telescope and binocular deals available in 2025.
—Anthony Wood, Space.com, 24 Oct. 2025
The Rokid Glasses use a green binocular display that projects a 640-by-480 picture through the waveguides, centered in your view.
—PC Magazine, 17 Oct. 2025
Noun
But don’t pack away your binoculars just yet.
—Tiffany Acosta, AZCentral.com, 27 Oct. 2025
The asteroid is far too small and dim to be visible to the naked eye, even with binoculars.
—Tiffani Jackson, Fort Worth Star-Telegram, 27 Oct. 2025
See All Example Sentences for binocular
Cite this Entry
“Binocular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/binocular. Accessed 31 Oct. 2025.
Copy CitationKids Definition
binocular
1 of 2 adjective
bin·oc·u·lar
bī-ˈnäk-yə-lər
bə-
: of, relating to, using, or adapted to the use of both eyes
binocular vision
binocular
2 of 2 noun
bin·oc·u·lar
bə-ˈnäk-yə-lər
bī-
1
: a binocular optical instrument
2
: a handheld instrument for seeing at a distance that consists of two telescopes, a focusing device, and usually prisms
—usually used in plural
a pair of binoculars
Medical Definition
binocular
1 of 2 adjective
bin·oc·u·lar
bī-ˈnäk-yə-lər, bə-
: of, relating to, using, or adapted to the use of both eyes
binocular vision
a binocular microscope
binocular
2 of 2 noun
bin·oc·u·lar
bə-ˈnäk-yə-lər, bī-
: a binocular optical instrument
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